TIMKEN M667948-90046

Tapered roller bearings technical reference with manufacturer-sourced dimensions, characteristics and engineering resources.

Technical data available

Bore diameterd: 409.575 mm
Outside diameterD: 546.1 mm
WidthB: 185.738 mm
Dynamic load ratingC: 2940 kN
Static load ratingC0: 6830 kN
Mass≈m: 111.55 kg

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Technical data

Product specifications

Metric and imperial values are paired where the manufacturer provides both. Expand a section to review its parameters.

Core specifications11 parameters

Core specifications
Parameter	Symbol	Value
Series		M667900
Variant / construction		TDO - Tapered Double Outer
Bore diameter	d	409.575 mm
Outside diameter	D	546.1 mm
Width	B	185.738 mm
Basic dynamic load rating	C	2940 kN
Basic static load rating	C0	6830 kN
Mass	≈m	111.55 kg
Precision class		ABMA Class 2
Sealing		Open
Cage		Steel cage

Calculation Factors6 parameters

Calculation Factors
Parameter	Symbol	Value
K Factor		1.40
Y1 Factor		1.62
Y2 Factor		2.41
Y0 Factor		1.58
E Factor		0.42
Cg Factor		0.2235

Manufacturer Identity9 parameters

Manufacturer Identity
Parameter	Symbol	Value
Brand		Timken
Material Number		000000000100128888
World Assembly Part Number		M667948_M667911D
Inner Ring Part Number		M667948
Outer Ring Part Number		M667911D
Drawing Number		C-80523
Upc		0053893662619
Official Source System		CORE BP - DS DF
Official Last Run		2026-08-23T20:02:46.327

Product Identity4 parameters

Product Identity
Parameter	Symbol	Value
Type Description		TDO - Tapered Double Outer
Construction		Double Row Tapered Roller Bearing Assembly \| Imperial Series \| 16.1250 in Bore \| 21.5000 in OD \| 7.3125 in Width \| Open \| Cylindrical Bore \| Steel Cage \| Precision ABMA Class 2
Number Of Rows		2
Tapered Bore		N

Technical Data10 parameters

Technical Data
Parameter	Symbol	Value
Overall Width		0.000 mm
Radial Rating		763,000 N
Axial Rating		313,000 N
Dynamic Rating C1		2,940,000 N
Dynamic Rating C90		763,000 N
Dynamic Axial Rating Ca90		313,000 N
Dynamic Axial Rating Ca1		1,210,000 N
Static Radial Rating C0		6,830,000 N
Extended Dynamic Rating Ce		0 N
Static Axial Rating C0A		4,150,000 N

Technical documents & data sheet

This product page is a BearingScope catalogue reference, not a manufacturer-certified drawing. Preserve the full brand and designation when comparing files.

Record identity: TIMKEN M667948-90046
Document matching: Exact designation, assembly scope, revision and units must agree.

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